#include <stdio.h>
int func(int n)
{
	int sum=0,i;
	for(i=0; i<n; i++){
		sum+=i;
	}
	return sum;
}

int main(void)
{
	int i;
	long result = 0;
	for(i=1; i<=100; i++){
		result += i;
	}
	printf("result[1-100] = %ld \n", result);
	printf("result[1-250] = %d \n", func(250));
}
